package com.sky.controller.user;

import com.sky.constant.JwtClaimsConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.properties.JwtProperties;
import com.sky.result.Result;
import com.sky.service.UserService;
import com.sky.utils.JwtUtil;
import com.sky.vo.UserLoginVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@RestController
@Slf4j
@RequestMapping("/user/user")
@Api(tags = "用户登录相关接口")
public class UserController {

    @Autowired
    private UserService userService;
    @Autowired
    private JwtProperties jwtProperties;

    @ApiOperation("微信用户登录")
    @PostMapping("/login")
    public Result<UserLoginVO> wxlogin(@RequestBody UserLoginDTO userLoginDTO){
        log.info("微信用户登录的code为：{}", userLoginDTO.getCode());
        //向微信接口服务的API发送Http请求，获取微信用户的openid、sessionKey等数据
        User user = userService.wxLogin(userLoginDTO);

        //为用户生成JWT令牌
        Map<String, Object> claims = new HashMap<>();
        claims.put(JwtClaimsConstant.USER_ID,user.getId());
        String token = JwtUtil.createJWT(jwtProperties.getUserSecretKey(), jwtProperties.getUserTtl(), claims);

        //将拿到的openid等数据 和自己生成的token封装到UserLoginVO中并返回
        //之后前端在访问后端服务器时，只需要携带token，后端服务器会自动解析出openid等数据
        UserLoginVO userLoginVO = UserLoginVO.builder().id(user.getId()).openid(user.getOpenid()).token(token).build();
        return Result.success(userLoginVO);
    }

}
